[Doc Retention] Increase rate to 400 (#27423)

GitOrigin-RevId: a7a709c3f289e7b8bdac3d1521a135a3f4fe7f3d

Author: jordanhunt22

crates/common/src/knobs.rs

@@ -423,7 +423,7 @@ pub static DOCUMENT_RETENTION_BATCH_INTERVAL_SECONDS: LazyLock<Duration> = LazyL
 /// there are a bunch of writes at single timestamp. Then, we go until there are
 /// no more writes at that timestamp.
 pub static DOCUMENT_RETENTION_MAX_SCANNED_DOCUMENTS: LazyLock<usize> =
-    LazyLock::new(|| env_config("DOCUMENT_RETENTION_MAX_SCANNED_DOCUMENTS", 250));
+    LazyLock::new(|| env_config("DOCUMENT_RETENTION_MAX_SCANNED_DOCUMENTS", 400));
 
 /// Size at which a search index will be queued for snapshotting.
 pub static SEARCH_INDEX_SIZE_SOFT_LIMIT: LazyLock<usize> =